AA 4279 then AA 3680 at DFW
Midland → Dallas-Fort Worth → Tyler
Timetable, Dallas-Fort Worth time
21:37AA 4279 from Midland at the gate
21:30AA 3680 to Tyler leaves the gate
23 h 53 apart on the timetable, overnight
AA 3680 leaves 23 h 53 after AA 4279 arrives on the timetable: more than half a day, so not a connection we count.